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authorLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 23:41:48 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 23:41:48 -0500
commitf9300eaaac1ca300083ad41937923a90cc3a2394 (patch)
tree724b72ad729a8b85c09d2d54f8ca7d8ba22d774f /drivers/platform/x86/wmi.c
parent7f2dc5c4bcbff035b0d03f7aa78a182664b21e47 (diff)
parentfaddf2f5d278f1656e9444961bdd8d9db4deb5bf (diff)
Merge tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael J Wysocki: - New power capping framework and the the Intel Running Average Power Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan. - Addition of the in-kernel switching feature to the arm_big_little cpufreq driver from Viresh Kumar and Nicolas Pitre. - cpufreq support for iMac G5 from Aaro Koskinen. - Baytrail processors support for intel_pstate from Dirk Brandewie. - cpufreq support for Midway/ECX-2000 from Mark Langsdorf. - ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha. - ACPI power management support for the I2C and SPI bus types from Mika Westerberg and Lv Zheng. - cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat, Stratos Karafotis, Xiaoguang Chen, Lan Tianyu. - cpufreq drivers updates (mostly fixes and cleanups) from Viresh Kumar, Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz Majewski, Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev. - intel_pstate updates from Dirk Brandewie and Adrian Huang. - ACPICA update to version 20130927 includig fixes and cleanups and some reduction of divergences between the ACPICA code in the kernel and ACPICA upstream in order to improve the automatic ACPICA patch generation process. From Bob Moore, Lv Zheng, Tomasz Nowicki, Naresh Bhat, Bjorn Helgaas, David E Box. - ACPI IPMI driver fixes and cleanups from Lv Zheng. - ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani, Zhang Yanfei, Rafael J Wysocki. - Conversion of the ACPI AC driver to the platform bus type and multiple driver fixes and cleanups related to ACPI from Zhang Rui. - ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu, Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki. - Fixes and cleanups and new blacklist entries related to the ACPI video support from Aaron Lu, Felipe Contreras, Lennart Poettering, Kirill Tkhai. - cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi. - cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han, Bartlomiej Zolnierkiewicz, Prarit Bhargava. - devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe. - Operation Performance Points (OPP) core updates from Nishanth Menon. - Runtime power management core fix from Rafael J Wysocki and update from Ulf Hansson. - Hibernation fixes from Aaron Lu and Rafael J Wysocki. - Device suspend/resume lockup detection mechanism from Benoit Goby. - Removal of unused proc directories created for various ACPI drivers from Lan Tianyu. - ACPI LPSS driver fix and new device IDs for the ACPI platform scan handler from Heikki Krogerus and Jarkko Nikula. - New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa. - Assorted fixes and cleanups related to ACPI from Andy Shevchenko, Al Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter, Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause, Liu Chuansheng. - Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding, Jean-Christophe Plagniol-Villard. * tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (386 commits) cpufreq: conservative: fix requested_freq reduction issue ACPI / hotplug: Consolidate deferred execution of ACPI hotplug routines PM / runtime: Use pm_runtime_put_sync() in __device_release_driver() ACPI / event: remove unneeded NULL pointer check Revert "ACPI / video: Ignore BIOS initial backlight value for HP 250 G1" ACPI / video: Quirk initial backlight level 0 ACPI / video: Fix initial level validity test intel_pstate: skip the driver if ACPI has power mgmt option PM / hibernate: Avoid overflow in hibernate_preallocate_memory() ACPI / hotplug: Do not execute "insert in progress" _OST ACPI / hotplug: Carry out PCI root eject directly ACPI / hotplug: Merge device hot-removal routines ACPI / hotplug: Make acpi_bus_hot_remove_device() internal ACPI / hotplug: Simplify device ejection routines ACPI / hotplug: Fix handle_root_bridge_removal() ACPI / hotplug: Refuse to hot-remove all objects with disabled hotplug ACPI / scan: Start matching drivers after trying scan handlers ACPI: Remove acpi_pci_slot_init() headers from internal.h ACPI / blacklist: fix name of ThinkPad Edge E530 PowerCap: Fix build error with option -Werror=format-security ... Conflicts: arch/arm/mach-omap2/opp.c drivers/Kconfig drivers/spi/spi.c
Diffstat (limited to 'drivers/platform/x86/wmi.c')
-rw-r--r--drivers/platform/x86/wmi.c30
1 files changed, 8 insertions, 22 deletions
diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 601ea9512242..62e8c221d01e 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -252,8 +252,6 @@ static acpi_status wmi_method_enable(struct wmi_block *wblock, int enable)
252{ 252{
253 struct guid_block *block = NULL; 253 struct guid_block *block = NULL;
254 char method[5]; 254 char method[5];
255 struct acpi_object_list input;
256 union acpi_object params[1];
257 acpi_status status; 255 acpi_status status;
258 acpi_handle handle; 256 acpi_handle handle;
259 257
@@ -263,13 +261,9 @@ static acpi_status wmi_method_enable(struct wmi_block *wblock, int enable)
263 if (!block) 261 if (!block)
264 return AE_NOT_EXIST; 262 return AE_NOT_EXIST;
265 263
266 input.count = 1;
267 input.pointer = params;
268 params[0].type = ACPI_TYPE_INTEGER;
269 params[0].integer.value = enable;
270 264
271 snprintf(method, 5, "WE%02X", block->notify_id); 265 snprintf(method, 5, "WE%02X", block->notify_id);
272 status = acpi_evaluate_object(handle, method, &input, NULL); 266 status = acpi_execute_simple_method(handle, method, enable);
273 267
274 if (status != AE_OK && status != AE_NOT_FOUND) 268 if (status != AE_OK && status != AE_NOT_FOUND)
275 return status; 269 return status;
@@ -353,10 +347,10 @@ struct acpi_buffer *out)
353{ 347{
354 struct guid_block *block = NULL; 348 struct guid_block *block = NULL;
355 struct wmi_block *wblock = NULL; 349 struct wmi_block *wblock = NULL;
356 acpi_handle handle, wc_handle; 350 acpi_handle handle;
357 acpi_status status, wc_status = AE_ERROR; 351 acpi_status status, wc_status = AE_ERROR;
358 struct acpi_object_list input, wc_input; 352 struct acpi_object_list input;
359 union acpi_object wc_params[1], wq_params[1]; 353 union acpi_object wq_params[1];
360 char method[5]; 354 char method[5];
361 char wc_method[5] = "WC"; 355 char wc_method[5] = "WC";
362 356
@@ -386,11 +380,6 @@ struct acpi_buffer *out)
386 * enable collection. 380 * enable collection.
387 */ 381 */
388 if (block->flags & ACPI_WMI_EXPENSIVE) { 382 if (block->flags & ACPI_WMI_EXPENSIVE) {
389 wc_input.count = 1;
390 wc_input.pointer = wc_params;
391 wc_params[0].type = ACPI_TYPE_INTEGER;
392 wc_params[0].integer.value = 1;
393
394 strncat(wc_method, block->object_id, 2); 383 strncat(wc_method, block->object_id, 2);
395 384
396 /* 385 /*
@@ -398,10 +387,9 @@ struct acpi_buffer *out)
398 * expensive, but have no corresponding WCxx method. So we 387 * expensive, but have no corresponding WCxx method. So we
399 * should not fail if this happens. 388 * should not fail if this happens.
400 */ 389 */
401 wc_status = acpi_get_handle(handle, wc_method, &wc_handle); 390 if (acpi_has_method(handle, wc_method))
402 if (ACPI_SUCCESS(wc_status)) 391 wc_status = acpi_execute_simple_method(handle,
403 wc_status = acpi_evaluate_object(handle, wc_method, 392 wc_method, 1);
404 &wc_input, NULL);
405 } 393 }
406 394
407 strcpy(method, "WQ"); 395 strcpy(method, "WQ");
@@ -414,9 +402,7 @@ struct acpi_buffer *out)
414 * the WQxx method failed - we should disable collection anyway. 402 * the WQxx method failed - we should disable collection anyway.
415 */ 403 */
416 if ((block->flags & ACPI_WMI_EXPENSIVE) && ACPI_SUCCESS(wc_status)) { 404 if ((block->flags & ACPI_WMI_EXPENSIVE) && ACPI_SUCCESS(wc_status)) {
417 wc_params[0].integer.value = 0; 405 status = acpi_execute_simple_method(handle, wc_method, 0);
418 status = acpi_evaluate_object(handle,
419 wc_method, &wc_input, NULL);
420 } 406 }
421 407
422 return status; 408 return status;